Home / 2,471.45-3,709.80-1,377.95

Finding the Fourth Proportional to 2,471.45, 3,709.80 and 1,377.95

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Solution

The fourth proportional to 2,471.45, 3,709.80 and 1,377.95 is: 2,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.45 : 3,709.80 = 1,377.95 : x
  2. Step 2: Convert to fraction form
    2,471.45/3,709.80 = 1,377.95/x
  3. Step 3: Cross multiply
    2,471.45x = 3,709.80 × 1,377.95
  4. Step 4: Simplify right side
    2,471.45x = 5,111,900.36
  5. Step 5: Solve for x
    x = 5,111,900.36/2,471.45
  6. Step 6: Final answer
    x = 2,068.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.